195944623 has 8 divisors (see below), whose sum is σ = 224274848. Its totient is φ = 167698944.

The previous prime is 195944621. The next prime is 195944633. The reversal of 195944623 is 326449591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 195944623 - 2¹ = 195944621 is a prime.

It is a super-2 number, since 2×195944623² = 76788590565224258, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 195944623.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (195944621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16086 + ... + 25507.

It is an arithmetic number, because the mean of its divisors is an integer number (28034356).

Almost surely, 2^195944623 is an apocalyptic number.

195944623 is a deficient number, since it is larger than the sum of its proper divisors (28330225).

195944623 is an equidigital number, since it uses as much as digits as its factorization.

195944623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42273.

The product of its digits is 233280, while the sum is 43.

The square root of 195944623 is about 13998.0221102840. The cubic root of 195944623 is about 580.8238618892.

The spelling of 195944623 in words is "one hundred ninety-five million, nine hundred forty-four thousand, six hundred twenty-three".